The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2019
Filed:
Nov. 23, 2015
Applicant:
Univation Technologies, Llc, Houston, TX (US);
Inventors:
Kevin J. Cann, Tierra Verde, FL (US);
John H. Moorhouse, Middlesex, NJ (US);
Parul A. Khokhani, Bound Brook, NJ (US);
Tomas T. Tamargo, Howell, NJ (US);
Kevin R. Gross, South Charleston, WV (US);
Mark G. Goode, South Charleston, WV (US);
Assignee:
Univation Technologies, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/69 (2006.01); C08F 10/02 (2006.01); C08F 110/02 (2006.01); B01J 23/26 (2006.01); C08F 4/02 (2006.01);
U.S. Cl.
CPC ...
C08F 4/69 (2013.01); B01J 23/26 (2013.01); C08F 4/025 (2013.01); C08F 110/02 (2013.01); C08F 2410/01 (2013.01); C08F 2410/02 (2013.01); C08F 2500/18 (2013.01);
Abstract
Modified chromium-based catalyst compositions for olefin polymerization are disclosed. The modifiers prevent or reduce catalyst particle aggregation providing improved catalyst particle dispersion and consistent flow index response of the compositions in olefin polymerization.